USB/SD music player RSU-04 R |

Portable USB/SD player with radio and recording function

-AUX In connector
-display backlight
-remote control

RSU-04 R

RSU-04 R

Portable USB/SD player

Code: RSU-04 R

39,90 €

purchasing this product you get 40 points

Price history

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14 days to return this product

043/53 060 02

Price history

Portable USB/SD player

RSU-04 R

Our pricing is always guided by the principles of a fair price. We do not artificially move prices or brag about inflated percentages. You can always find price history for each product.


Portable USB/SD player
Headphone outputYes
SD cardYes
Dimensions (cm)24,5 x 15,5 x 21
CD mechanicNot
AM radioYes
FM radioYes
USB portYes
AUX inputYes
Built-in card readerYes
Weight (kg)1.5
RMS power2x2.2
Remote controlYes
Support for audio formatsMP3/WMA
MUTE (silent mode)Yes
Cassette playerNot
Built in microfonYes
Telescopic antennaYes
Bateries4 x 1,5 V UM1

Portable USB/SD player

AM/FM/SW1/SW2 radio with digital frequency display. Its interesting feature is the ability to record audio to USB/SD devices via the built-in microphone, or record from the radio. Recorded in MP3 format. The device supports WMA/MP3 playback and the USB/SD device RSU-04 is equipped a stereo headphone connector and an AUX In connector for external device connection. The LCD shows track numbers and playback status, time, station frequency, etc. The backlight can be turned on by any button on the unit and automatically turns off after 10 seconds. It has a classic alarm sound (beep). remote control that lets you switch your favorite songs. The radio has a rich range of power options. It can be plugged in,or it will work on its built-in rechargeable battery, which automatically charges when plugged in.

MP3/WMA support

The device plays MP3 and WMA files so you can listen to your favorite music on it.

AM/FM radio

The device has a built-in AM/FM radio with automatic radio station search (AM - very short wave radio, FM - long, medium and short wave radio).


The device has an integrated input for connecting a USB stick and SD card, allowing you to play audio files from these types of portable devices.

LCD Display

Liquid crystal display - a thin and flat display device composed of colored or monogrammatical dots (pixels) lined up in front of a light source.

Remote control

You can operate the radio directly on the device. If you don't want to get up from the couch while listening to music, no problem! We have also included a practical remote control for the radio.

RMS performance

It is the highest possible device power (in watts) that can be in the speaker without damaging it.

AUX input

AUX (Auxiliary cable/port/input) is an input for an amplifier or receiver of various audio equipment that is used to connect an external audio source . So it's a fast way to play music from an external source by connecting your devices with a cable. The advantage is that you can play music without sacrificing audio quality while maintaining stereo sound. 

Dual power

You can use the unit when it is plugged in or connected to the mains, or only from a battery / built-in rechargeable battery. This gives you the freedom to use it. When you are at home, you can have it plugged in when you're going out, simply using it without connecting to the network - without having to turn off the device.
dual power

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Portable USB/SD player

Portable USB/SD player